diff --git a/apps/batchart/widget.js b/apps/batchart/widget.js
index 9b5a53c4e..610da4017 100644
--- a/apps/batchart/widget.js
+++ b/apps/batchart/widget.js
@@ -84,7 +84,7 @@
     // Change log target on day change
     if (previousWriteDay != currentWriteDay) {
       //Remove a log file containing data from a week ago
-      Storage.open(logFileName, "r")­.erase();
+      Storage.open(logFileName, "r").erase();
       Storage.write(previousWriteLogName, currentWriteDay);
     }